56000550015 has 40 divisors (see below), whose sum is σ = 100458943200. Its totient is φ = 29845309248.

The previous prime is 56000549989. The next prime is 56000550019. The reversal of 56000550015 is 51005500065.

56000550015 is a `hidden beast` number, since 5 + 600 + 0 + 5 + 50 + 0 + 1 + 5 = 666.

It is not a de Polignac number, because 56000550015 - 2⁹ = 56000549503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56000550019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 517177 + ... + 616013.

It is an arithmetic number, because the mean of its divisors is an integer number (2511473580).

Almost surely, 2^56000550015 is an apocalyptic number.

56000550015 is a deficient number, since it is larger than the sum of its proper divisors (44458393185).

56000550015 is a wasteful number, since it uses less digits than its factorization.

56000550015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100253 (or 100244 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 56000550015 in words is "fifty-six billion, five hundred fifty thousand, fifteen".